#include <iostream>
#include <memory>
#include "single.h"
#include "vld.h"
using namespace std;

typedef shared_ptr<CSingleTon> psRef;
int main()
{
	
	
	CSingleTon *p1 = CSingleTon::GetInstance();
	CSingleTon *p2 = CSingleTon::GetInstance();
	if (p1 == p2)
		cout << "OK" << endl;
	else
		cout << "No" << endl;
	
	return 0;
}